Patents by Inventor Jangil Choe

Jangil Choe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4589545
    Abstract: A cut-open device in the form of a strip of material having sufficient strength and stiffness to tear the sealed portion of the inner paper wrapper of a cigarette package enables the inner wrapper to be opened along a zone coextensive with an end portion of the strip defined by a row of perforations spaced apart from the end portion of the strip.
    Type: Grant
    Filed: March 23, 1984
    Date of Patent: May 20, 1986
    Inventor: Jangil Choe